Highway - Traffic - Transportation Accidents Expert Witnesses

4CA Consulting & Reconstruction is a General Accident Reconstruction Company, providing Expert Services in the field of Accident Reconstruction, including:

• A complete an unbiased accident investigation, using the latest investigative means such as Crash Data Retrieval & Analysis.
• Crash Scene Analysis and Documentation: Vehicles, light trucks, motorcycles.
• Seat Belts and Child Safety-Seats usage analysis
• Occupant injury kinematics, speed determination, time - distance, drag factor with use of Vericom Vehicle Computer System.
• Traffic Studies.
• Crash Animation / Simulation, Map scenes, Crash Zone, CAD.

About Kevin Forcier: ACTAR Certified Reconstructionist: #2054. Retired from the Pennsylvania State Police in April of 2010 after 25 years of service. Accident Reconstructionist since 1990, last four years as a full time Crash Analysis and Reconstruction Specialist responsible for the coverage of 3300 square miles of Northwestern Pennsylvania. Qualified Expert Witness in the field of Crash Reconstruction and related services.

Peter J. Sullivan is a World Class Certified ASE Technician and ASE Certified Master Technician in Heavy Duty Truck, Passenger Car / Light Truck, Collision Repair, and Machinist, (National Institute for Automotive Service Excellence). He has over 35 years of technical, academic, operational, and managerial experience in the private and commercial transportation, heavy equipment, marine, and recreational vehicle industries.

Mr. Sullivan has extensive experience performing vehicle inspections and downloads of event data recorders and electronically stored information (ESI), including analysis, validation, testing, and preservation on almost all makes and models of vehicles and equipment.

Litigation Support - Mr. Sullivan utilizes his comprehensive legal, technical, and FMCSA / DOT knowledge to specialize in:

Product Defect Cases Driver or Motor Carrier Compliance Electronic Engine Control (ECM) Electronic Throttle Control Electronic Power Steering

Anti-Lock Brake Supplemental Restraint Computerized Systems Closed-loop Systems Hydraulics

He and his team perform accident site and vehicle inspections, perform data downloads, including analysis, on most all makes and models of vehicles and equipment, reconstruct accidents, perform exemplar and product testing, metallurgical testing, fluid analysis, and CMV driver and motor carrier compliance analysis. His primary areas of expertise include medium duty / heavy duty truck, hy-rail, light duty car / truck, motorcycle, ATV, marine, heavy equipment, machinery, tire, bicycle, commercial motor carrier safety and DOT compliance, and commercial motor vehicle driver / operator qualification and compliance, and job site safety.

Mr. Sullivan's services are available to counsel representing both Plaintiff and Defense. His litigation support services also include expert reports, depositions, and testimony for trial, OSHA, and governmental hearings.

View Peter Sullivan's Consulting Profile.

Richard F. Beaubien, PE, PTOE is a Professional Traffic Operations Engineer and Managing Director at Beaubien Engineering. He was previously Transportation Department Head at Hubbell, Roth & Clark, Consulting Engineers for more than 23 years. Mr. Beaubien's employment experience includes 5 years as a highway engineer with the Federal Highway Administration and 14 years as the traffic engineer for the City of Troy, Michigan. Mr. Beaubien is a past International President of the Institute of Transportation Engineers and the past President of the Intelligent Transportation Society of Michigan. He currently chairs the Metro Detroit Traffic Incident Management Coordinating Committee. Richard Beaubien is a registered professional engineer in several jurisdictions.He has been certtified by the Transportation Professional Certification Board as a Professional Traffic Operarations Engineer and a Road Safety Professional.   His litigation support services are available to attorneys for both Plaintiff and Defense. He has testified in court several times. Specialty Areas:

Municipal Traffic Engineering Transportation Planning Traffic Engineering Highway Design Road Traffic

Traffic System Operations Road Safety Intelligent Transportation Systems Traffic Incident Management

View Richard Beaubien's Consulting Profile.

Carl Berkowitz, PE, Ph.D., AICP, is a Transportation and Traffic Engineering expert with almost 50 years of expertise. He's held various managerial and administrative positions in the transportation industry, government, private, and academic sectors.

Dr. Berkowitz has extensive multi-modal experience in planning, design, engineering, safety, security, construction, maintenance, operations, and management. He has written and edited numerous reports, studies, articles, and columns for major publications, journals, newspapers and scholarly periodicals.

Background Experience:

• Transportation and Traffic Engineering Consultant, 1988 - Present
• New York City Department of Transportation, New York, 1970 – 88
• New York State Office of Planning Coordination, New York, 1967 - 70
• New York State Department of Transportation, Babylon, NY, 1963 - 67
• New York City Transit Authority, New York, 1962 - 63

Litigation Support - Dr. Berkowitz has served as a litigation consultant since 1997.  He has the background and experience to make him ideally suited to contribute important information at every stage in the litigation process. Dr. Berkowitz is able to explain complex issues in layman terms, suggest strategies, investigate and uncover facts, perform literature reviews, research, and prepare safety evaluations. He has been deposed / testified over 50 times in the last 5 years.

Accident Investigation & Reconstruction Slip Trip & Fall Pedestrian & Bicycle Safety Railroad Safety Bus & Truck Safety Biomechanics & Human Factors Student Safety FELA & OSHA Accessibility / ADA Parking Lots & Garages

Construction Safety Elevators & Escalators Equipment & Machinery Traffic Engineering Traffic Lighting / Visibility Transportation Engineering Transportation Safety Transportation Rules & Regulations Terminals Walking & Working Surfaces

" WHO IS AN EXPERT?
ONE WHO HAS ACQUIRED COMPREHENSIVE SPECIFIC EDUCATION,
ADVANCED AND CONTINUING TRAINING, AND EXTENSIVE SPECIFIC
EXPERIENCE TO GAIN THE KNOWLEDGE AND AUTHORITATIVE ABILITIES
REPRESENTING THE MASTERY OF THE SPECIFIC FIELD AND OF THE SUBJECT."

Nation Wide and International Expertise.

Timothy G. Galarnyk: Educated in Construction and Safety.  Continued Training in Construction and Safety. More than 45 Years of HANDS-ON Field Experience. Actively involved in construction since 1976. Equipment operator, member of International Union of Operating Engineers since 2004, Certified by ATSSA in Construction Work Zone Traffic Control - MUTCD since 1988. More than 1,000 Incidents Independently Investigated. 

Traffic Crashes in Construction Work Zones - Related to MUTCD Compliance. CERTIFIED by ATSSA in Work Zone Traffic Control since 1988. 

Construction Risk Management, Inc., is a corporation with experts in construction safety, structure collapses, construction means and methods, and construction work zone traffic control.  Investigation focuses on:

Bridges, Buildings, Residential, Industrial, Commercial, High-Rises, Marine, Highways, Underground, Water, General and Subcontractor Issues

Litigation Support - We conduct Forensic Investigations of Construction Accidents / Injuries / Deaths to establish the Cause. What happened? How did it happen? Where and When did it happen? Why did it happen? Who is Responsible? Depositions and Trial Experienced. State and Federal Courts. Defense and Plaintiff - Makes no difference as the case facts and evidence rules. 

Areas of Expertise (include but not limited to):

Scaffolding Cranes Rigging Earth Moving Equipment Aerial Lifts Forklifts Trenching / Excavating Falls Steel Erection Electrical Injuries / Electrocution

Confined Spaces Concrete Work OSHA Issues Bridge / Building Structural Collapse Trucking of Construction Material Steel Materials Reinforcing Bars Concrete Pilings Loading / Unloading Injuries

Donald L. Hess, President of DLH Associates, Inc., has been providing expert witness services to attorneys and other clients, including Analysis of Vehicle Crashes since 1996. His specialty is crashes involving Commercial Motor Vehicles, including trucks, tractor-trailers, and buses.

With two million miles of safe cross-country trucking experience, followed by over 25 years as a driver trainer and creator / administrator of commercial driving programs, Mr. Hess is well-qualified to provide analysis of what drivers are trained to do in specific situations and circumstances, what federal and state regulations call for and require, and all aspects of the safe and proper operation of commercial motor vehicles. As a motorcyclist with over 45 years of riding and training experience, he is also qualified to comment on accidents involving motorcycles.

Mr. Hess has been nationally recognized as a leader in safety and training issues, is a winner of the American Trucking Associations Million Mile Driving award,and was a recipient of the Truckload Carriers Association Lee Crittenden award. Over his long and successful career in trucking and education, he has held numerous national board and officer positions in trucking and education.

Litigation Support - Mr. Hess is uniquely qualified to analyze and comment on driver behavior in virtually any situation,and has established a solid reputation as an expert witness in crashes involving trucks and commercial vehicles for both Plaintiff and Defense in over 500 hundred cases across the country since 1996. His experience includes significant deposition and trial testimony.

He possesses a unique combination of training, hands-on experience, and education that combine to position him as a leading expert in all facets of trucking. Mr. Hess still maintains a valid, current Commercial Driver License fully endorsed for Combination Vehicles, Doubles-Triples, Tankers, Hazardous Materials, Motorcycles, and Buses. He also holds a USDOT Medical Exam Certificate. His CDL and medical certificate have been maintained without interruption or fault since 1971.

Areas of Expertise:

Commercial Driver Training Truck Driver Training Federal Motor Carrier Safety Regulations Commercial Driver Theory Commercial Driver Backing City Driving Federal Hours of Service Requirements Tankers

Highway Driving Extreme Weather Operations Live Skid Pad / Skid Prevention and Recovery Emergency Driving Skills Warehouse Issues Loading Dock Issues Forklifts Hazardous Materials

View Donald L. Hess' Consulting Profile.

The four PhD and registered PEs at Miller Engineering are celebrating 40 years of Professorships at three universities along with providing services to Government, Insurance, and Industry—through research, publications, presentations, and expert testimony. We have a dedicated office with a full time staff of engineers, researchers, and technical writers. The span of our collective academic and experiential expertise covers well the Mechanical, Electrical, Chemical, Agricultural, Industrial, Human Factors, Ergonomic and Safety fields of engineering. The areas listed below are from actual projects completed in our 40 years of history. 

Vehicles Car/Truck Accident Reconstruction Crash Data Retrieval (CDR) Visibility & Reaction Time Analysis Tires, Trailers, Brakes & Accelerators Truck/Off Road Vehicle Egress/Ingress Traffic Signing and Construction Zones Electronic Vehicles Mechanical & Electrical Safety Product Safety & Analysis Machinery - Metal, Wood, Plastic Molding Machine Guarding & Safety, Robots, Automation Hazard and Risk Analysis Employee Safety Procedures – OSHA Electrical Distribution & Transmission Hazards

Warnings & Instructions Warning Labels & User Manual Design Hazard Analysis & Product Label Designs Medical Device & Drug Warnings & Instructions Inadequate Warnings Analysis Standard Compliance (ANSI Z535) Product Recall Information & Strategies Consumers/Household Safety Appliances & Tools Child Furniture, Choking, Playgrounds Swimming Pools & Exercise Equipment Recreation - ATV, Boats, Bicycles, Boards Ladder, Stair, Step and Railing Accidents Slip, Trip, & Fall Accidents CPSC Recall Information & Strategies

Chemicals Safety & Labeling NEW OSHA HAZCOM (2012) & GHS Review MSDS, SDS and Product Label Compliance Toxic Torts - Diacetyl, Asbestos, Benzene, Lead, Carbon Monoxide Vaping & E-Cigarette Health Effects Chemical Exposures & Workplace Safety Chemical Inhalation, Ingestion, Dermal Contact Contamination - Water & Environmental Manufacturing & Process Line Accidents Slips, Trips, Falls, & Entanglements Fires & Explosions Cause & Origin Investigations Gas, Vapor, & Electrical Spontaneous Combustion Vaping & E-cigarette Battery Failures Fire Control & Explosion Issues

Agriculture Tractor & Equipment Accidents Chemical Applications & Exposures Barn Storage & Harvesting Pesticides - Drone Usage Irrigation Systems Construction Vehicle Visibility Accidents Slip, Trip, & Fall Accidents Power Tool Repetitive & Immediate Injuries Scaffolding - Cranes - Hoisting - Fork Lifts Insurance Subrogation & Forensics Accident Investigations Electrical & Fire Causation Chemical Leakage Damage Defective Equipment Injuries Premise and Process Damages

James M. Miller, PE, PhD – Founder  Dr. Miller is an Emeritus Engineering Professor at the University of Michigan. He has directly served in Washington originating several Federal OSHA safety regulations, and interacts regularly with CPSC regarding safety and product recalls. Dr. Miller often works on projects relating to compliance with occupational safety standards, provides upper management guidance on product design, recall and liability issues, and serves as an expert witness.

Mark R. Lehto, PhD – Co-Founder Dr. Lehto is a Professor of Engineering at Purdue University. He completed his Ph.D. in engineering at the University of Michigan, where he specialized in Human Factors Engineering, in particular Warnings and Labeling. Dr. Lehto specializes in knowledge engineering, warnings and instructions, structuring expert systems, accident modeling, accident statistical analysis, consumer product safety, boating safety, in-field national surveys of product usage, and product information effectiveness.

Adam M. Olshove, PE, MSE – Engineering Manager Mr. Olshove has 15 years of experience providing consulting services to industry and the legal profession. He holds an MS in Mechanical Engineering with a focus on control systems and battery modeling (2019), and a BS in Mechanical Engineering (2012), both from the University of Michigan. He has performed dozens of on-site investigations nationwide in relation to consumer product design and industrial accidents, including failure analysis and testing.

James M.L. Miller, MS, PhD, EIT – Engineering Associate Dr. Miller is an Assistant Professor of mechanical engineering at Trine University in Angola, Indiana. Dr. Miller graduated with a Ph.D. degree in mechanical engineering and electrical engineering from Stanford University in 2021.  His expertise is in biomedical heat transfer problems, energy, nano circuits,  hydroelectric systems, solar arrays and portable battery usage.

Alyssa Blunt, PE, MSE – Engineering Associate Ms. Blunt has a BS and MS in mechanical engineering from the University of Michigan. She specializes in manufacturing accidents, accident reconstruction graphics, railroad accidents, and mechanical machinery safety. Helen Miller, BME,  MSE – Engineering Associate  Helen specializes in agricultural accidents. HVAC, irrigation, greenhouse growing and cannabis production.

Established in 2000, Laird are an Expert Witness services firm supporting the Legal sector across the UK. They understand the importance of providing an efficient and seamless customer journey and review their processes continually to ensure that they achieve and surpass expectation levels daily.

With constantly evolving IT systems and exceptional customer service, Laird are leading the way in the Expert Witness sector. You can instruct with the click of a button via their website and will be kept up to date at every stage of your case.

Laird have three main areas of expertise:

Automotive Experts

Vehicle Damage Reports Low Velocity Impact Diminution in Value Desktop Reports

Vehicle Valuation Disputes Accident Reconstruction Pre and Post Repair Inspections Vehicle Data Check

Photography Experts

• Locus Reports
• Personal Injury Photography Reports

Language Experts

• Interpretation
• Translation
• Witness Statements
• Document sign up service

Dr. Shakir Shatnawi, PhD, PE, is a nationally and internationally recognized expert in the Transportation Engineering industry. Shakir has a Ph.D. in Transportation Engineering. He has over 30 years of practical and extensive engineering and transportation expertise covering industry and public agencies including FHWA and the California Department of Transportation (Caltrans). 

Shakir is currently the president of Shatec Engineering Consultants. He taught highway engineering, traffic engineering and transportation engineering and pavement design at California State University. Dr. Shatnawi served as a principal investigator on multi-million dollar transportation projects. He held various positions at Caltrans including a Senior Transportation Engineer, a Supervising Transportation Engineer and a Division Chief.

 Dr. Shatnawi's education and experience demonstrates a wealth of engineering knowledge encompassing highway design, traffic engineering, pavement design, geotechnical engineering, materials and construction . As a recipient of many acknowledgements from the government, Dr. Shatnawi has an impeccable reputation within the industry for his significant professional contributions. As an expert orator, he frequently shares his knowledge at major conferences around the world. Dr. Shatnawi provides expert witness services in the following areas:

Traffic Engineering Highway Design Standards Highway Specifications / Guidelines Public Agency Policies / Practices Pavement Design / Materials Construction defects Highway Geometric Design Drainage Asphalt Concrete Highway Repairs / Maintenance

Construction Quality Control / Quality Assurance Construction Claims Surface Conditions - Friction, Skid Resistance Road Defects Traffic Safety Highway Safety Traffic Control Devices / MUTCD Sight Distance Requirements Roadside Hazards ADA Requirements Code Violations

View Dr. Shatnawi's Consulting Profile.

Truck Accident & Incident Experts, LLC (TAIE) is recognized as the leading truck accident expert witnesses and a prominent figure in the business of Commercial Motor Vehicle (CMV) Crash Investigation and Causation. The team at TAIE brings unparalleled field and courtroom experience to clients facing litigation involving truck accidents in matters for both Plaintiff and Defendant.

Trial and Deposition - TAIE's expertise in FMCSRs (Federal Motor Carrier Safety Regulations) and industry standards allows them to provide valuable insights and support. By working closely with attorneys, they can help conduct more effective depositions and cross-examinations by suggesting relevant questions and providing expert opinions. Their in-depth knowledge of truck accidents and incidents can help attorneys explore critical areas that they might otherwise overlook.

• Commercial Motor Vehicle Post Crash / Incident Inspection

Conducted by in-house by FMCSA-MCSAP CVSA Level 1 roadside enforcement truck and regulatory specialist, trained and well experienced in the post-crash level 1 inspection discipline. Such Post-Crash Inspections, (or PCI) are conducted often in a modified manner, typically focusing on areas that may or may not be chain of causation issues and/or contributing factors. These typically include, foundation airbrake failure; tire failure; steering wheel lash; air leaks; wheel failure; lug nut failure, in addition to many other potential contributing factors. 

• Plaintiff / Defense Retention & Litigation Support

TAIE serves as Expert Witnesses for cases of litigation wherein clients are representing either defense or plaintiff in truck crash and/or incident litigation. Their annual case volume of plaintiff vs. defense is typically 50/50 each year. They are often retained directly by insurance carriers. TAIE looks at all matters of litigation in a fair, balanced and non-advocative manner. They apply the same in the following strict perspective: 1.) the FMCSR’s applicability; 2.) the AAMVA applicability; 3. other Standards of Care applicability; 3.) Best Practices applicability; 4.) Discovery applicability; 5.) thier experience and expertise concerning CMV and FMCSA regulations.

Scott L. Turner, Founding Consultant,is a highly qualified Commercial Motor Vehicle (CMV) Transportation Expert, FMCSR Regulatory and PHMSA-HMR Expert with approximately 30-years of experience in the highly specialized field of CMV crashes and incidents, and 16 years as the CEO of a nationwide CMV crash & HazMat disaster response corporation. 

Mr. Turner's career includes personal response and/or investigation of over 1,000 CMV crashes, 200 cargo-tank truck crashes/incidents, and a multitude of industrial setting incidents including fixed facilities, loading docks and loading rack disasters. His FMCSR and PHMSA knowledge (Federal Enforcement Training), detailed reporting and testimony can be a focal point of any civil litigation, where commercial motor vehicle crashes and/or transit incidents are at issue, with or without hazmat involvement. Mr. Turner is qualified in both the Federal Court system as well as multiple States throughout the United States and testifies on an approximate 50/50 average of Defense to Plaintiff ratio.

Aron Liebe, CEO at TAIE, is based out of the Tri-State area of South Dakota, Nebraska and Iowa, with a law enforcement background in the highly specialized field of commercial motor vehicles. Mr. Liebe’s consulting expertise includes (FMCSR) Federal Motor Carrier Safety Regulations, Industry Standards of Care and State Regulatory Enforcement, while providing expert testimony and detailed expert reports for civil litigation involving commercial motor vehicles, to include tractor-trailers, straight-trucks, dump trucks, special mobile equipment, farm trucks, and pickup trucks coupled to trailers, just to name a few. 

Since transitioning to consulting in 2020, Aron Liebe has contributed to hundreds of civil litigation cases by reviewing discovery documents, preparing detailed reports, and providing expert testimony regarding Federal Motor Carrier Safety Regulations, as well as industry standards of care and best practices. In addition, Mr. Liebe supports TAIE post-crash investigations with North American Standard Level 1 Inspections (NASI)of CMVs, offering distinguished crash scene imagery, formerly as a professional photographer to include crash scene video as an FAA-licensed UAS Pilot. His professional qualifications include CDL Testing including pre-trip inspections, skills and driving tests, CMV Industry presentations, CMV State and Federal Regulatory law enforcement. Mr. Liebe serves TAIE clients nationwide across the continental United States to include Alaska and Hawaii, and is recognized for his integrity and expertise in complex CMV-related matters. 

Scot A. Montgomery, Director of Operations, works closely with the other members of TAI to complete investigations of Commercial Motor Vehicle (CMV) crashes and incidents. It is the responsibility of TAIE Consultants, including Montgomery, to investigate the crash / incident based on a review of Discovery / files. Additionally, TAIE consultants often inspect the CMV and/or area of the subject crash/incident, then determine as to contributing factors and/or causation opinions regarding the Federal Motor Carrier Safety Regulations (FMCSR), and/or the Motor Carrier industry's standards of care.

Along with many other qualifications, Mr. Montgomery is Level 1 FMCSA-MCSAP Roadside Enforcement trained. Of noteworthy consideration, Level 1 FMCSA-MCSAP Roadside Enforcement trained persons have achieved the highest level of certification in the industry. Montgomery was a member of the Wyoming Highway Patrol (WHP) for 20-years, retiring with the rank of Captain in 2018 as the Commercial Carrier Program Manager for the WHP. 

Dan W. Wall, BSME, specializes in the fields of Accident Reconstruction, Biomechanics and Motor Vehicle Injury Causation, Human Factors, and Injury Prevention in Motor Vehicle Design. Mr. Wall is fully accredited with ACTAR (Accreditation Commission for Traffic Accident Reconstruction), ACTAR No. 1140.

Dan Wall has conducted scientific and engineering analysis of motor vehicle collisions since 1987 for both plaintiff and the defense in civil and criminal cases. A qualified expert witness since 1987, he has offered litigation support services to insurance companies and attorneys in Arizona, California, Colorado, Tennessee and Louisiana and has testified in both Civil and Federal Courts.

Mr. Wall's past cases have involved commercial vehicle design and analysis, insurance investigations, low speed collisions and injury analysis, motorcycle collisions and rider analysis, vehicle handling and dynamics, seat belt analysis and injury mitigation, tire failures and rollover analysis, general accident reconstruction, and roadway analysis. He has conducted human factor analysis including reaction and perception, environmental effects, and general driver behavior. With a large library and the tools needed to do all types of motor vehicle reconstruction investigations, Mr. Wall is an asset to any team.

Dan Wall currently owns and rides a Harley Davidson Ultra Electra Glide Classic motorcycle and has gone through various levels of motorcycle training. He also has extensive experience as a boat operator and Marine Instructor.

For more information, visit www.wallaccidentreconstruction.com

Also view Dan Wall's article in Attorney At Law Magazine at http://attorneyatlawmagazine.com/phoenix/2014/01/17/accident-reconstruction-expert-dan-wall/

Areas of Expertise:

Mechanical Engineering Biomechanics Human Factors Accident Reconstruction Failure Analysis Forensic Investigation Motor Vehicle Design Dynamics and Handling Motorcycles Commercial Vehicles Rollovers Signage

Conspicuity Low Speed Collisions Marine Safety Bicycles Slip and Fall Accidents Pedestrians Accidents Tire Failure Seat Belt Issues Road Defects Off Road Driving Accidents Construction Zones Product Liability

View Dan Wall's Consulting Profile.

Christopher J. Kennedy holds a BS in Industrial Engineering and is an ACTAR-accredited Accident Reconstructionist with EIT and AEP credentials. He integrates engineering analysis, EDR data interpretation, UAV-based mapping, and human factors evaluation to reconstruct collisions, assess visibility, and quantify perception response. His work relies on validated measurement, objective modeling, and data-driven engineering principles to deliver clear, defensible forensic conclusions.